Compressed-fluid charging and discharging device.



No. 873,984. v PATENTED DEG. 17,1907.

" G. A. BOBRIGK.

COMPRESSED FLUID CHARGING AND DISGHARGING DEVICE.APPLI0ATI0NIILEDDEO.21.1906.

5 I "'I I lllfllllllllllllllll|l GABRIEL A. BOBRIQK, or Los A'NGELES,CALIFORNIA.

@QMPBESSED-ELUID CHARGING AND DISCHARGING DEVICE.

To all where it may concern:

Be it known that I, GABRIEL A. BoBRioK,

of Los Angeles, California, have invented a new and useful Improvementin Compressed-Fluid Charging and Discharging Devices, which improvementis fully set ;forth in the following specification.

This invention relates to mechanism for controlling the charging of afluid under pres, sure (whether in a liquid or gaseous form) anddischarging the' same from the reservoir in the form of a gas at reducedpressure, and has-for its object to provide a device of this characterwhich shall be simple in construction, easy tooperate, and inexpensiveto manufacture.-

With this object in view, the invention consists of a valve-mechanismfor use in for a large or open charging connection with a suitablereservoir, mechanism is'provided with a valve casing assage or con duit,a valve controlling s'ai ,large passage or conduit, which valve isthrown open'during, the charging operation and closed when terpose'd thetire.

to open or blow pressure, it is rendered impossible for the pressurestricted discharging passage may,

'ing into the reservoir,

the restricted discharge stance is inthe form of a' by-pass leading inthe form of a veryfine In some, instances, as in inflating a tire thecharging is. completed; and a restricted passage or discharge conduit insaid valve casing, which restricted passage is provided with a valvecapable of fine adjustment for permitting the escape of the ofdischarging.

The. large charging passage and the. re-

if desired, assages gas in the act be constructed as entirely separateor conduits through the metal oft casing, but preferably, and as-hereinshown, the charging passage leads from an exterior ort in the casing toan interior one deliverandis controlled insuitable valve;

terinediate said ports by a in this inpassage around the ,valvecontrolling the charging passage, and such restricted dischargeflpassageis controlled by a fine. valve, preferably needle valve.

of an automobile or like structure, it may be. desirable to providemeans whereby it shall be rendered impossible for the pressure in theinflated tire to exceed a predetermined,

point, andin such cases a'safety valve is inbetween the discharge valveand of]? at any predetermined the tire to exceedthat at whichSpecification of Letters Patent. Y Application filed December 21. 1906-Serial No. 3 48.995

which e valve oniits outer orexterior with an annular vflange 13surrounding the By setting this safety valve so as,

Patented Dec. 17 1907.

the safety valve is set. Furthermore, as a means of indicating thepressure within the conduit leading to the tire at any moment,

a suitable pressure gage may to the conduit.

As herein shown, the invention is illustrated as beingemployedforinflating tires of automobiles or like structures,illustration of one use of the invention is not to be taken as limitingthe invention to such use, since it is capable of a variety of uses.

The inventive idea involved is capable of embodiment in a variety ofmechanical constructions, one of which, for the purpose of illustratingthe invention, is shown in the accompanying drawings, in which Figure lis a perspective view of the device in position for inflating the tireof an 'auto mobile; Fig; 2 is a longitudinal central section of thedevice with parts shown in elevation; and Fig. v construction of thevalve for controlling the charging passage.

Referring to the drawings, 1 isa reservoir forthe fluid under pressure,whether of liquid or gaseous form; 2 is a valve casing here shown in theform'of a casting, with suitable conduits and valve seats formedtherein, and 3 is a charging conduit leading inward from be attached butI such 3 is a detail showing the the exterior port 4'through the metalof the casing 2 and delivering into the reservoir 1 at the port 5. Ashere shown, this conduit makesan angular turn in the metal of the casing2, and adjacentto the formed a valve seat 6 upon which is seated a valve7 preferably swiveled on the lower end of a screw-threaded valveS't6n18, provided with an angular head 9 on the exterior end thereof, bymeans of which a suitable wrench 10 may be applied for adjusting thevalve. Preferably, the exterior end of the valve is surrounded andprotected by a angle there is screw-threaded sleeve 11, which at itslower end compresses a suitable packing 12, while end it is providedexterior end 9 0f the valve stem 8. By this construction a speciallyformed tool is reiidered necessary for manipulating the valve stem, andas it is designed that this valve shall only-beopened when in a chargingstation, the provision of such special construction whereby a peculiarwrench is necessary for its operation by those other than at the factoryor charging station, is less liableto occur. As a further means ofprotecting the 35 I passes ma the charging valve, the entire sleeve 11injthe end of the valve is inclosed in a cap 14 screw-threaded. onto theend of the casing 2.

As here: shown, the restricted discharge assage 15 is in the form of aby-pass leading iiom one branch of the chargin passage 3 around thevalve .7 to the enlarged portion-of the other branch of the char ingpassage,

where it joins the port 4. T"s restricted discharge passage 15 iscontrolled by the ne edle valve '16 carried on the end of thescrewthreadedvalve stem 17, w'hich stem is pro- .vided with a milledoperating wheel 18. .1,

When it isdesired to charge the reservoir 1 with compressed fluid,.thecha g apparatus is connected at the port 4' an the valve 7, is thrownopen so as to afiord a large gpen assage via theicojnduit 3 into thereservoir. been'charged, the onits seat and the cap' 14 screwed overtheexterior end of the valve.

valve 16'may have been either opened or v I closed, but before. thedevice is disconnected from the dischar g apparatus, said valve 16should also be close When it is desired to dischar e the fluid from thereservoir in g the form 0 a as under reducedpressure, the

" delivered. In

at this or any other suitab device into w ch the gas is to be dischargedis connected to the valve casing at the port 4, and the needle valve 16is slightly ripened, and as thefluid has to pass the restricted openingsurrounding the pointpf the needle valve '16, it escapes into therestricted passage 15 .at a much reduced pressure and During.thisoperation, the needle ort 4 into the conduit leading 'ere thedischargedgas is to be inflating tires of automobiles or likestructures, it is desirable that the gas should-not exceed a givenpressure in the tire, and for this purpose there is attached to the tothe point w delivery conduit at any suitable point, and

preferabl at the exit of the valve safety va vs 19 of any construction.

casing, a suitable and approved There ma also be attached e point a gage20.

e Is any suitable form of valve may be employed for closing thechargingpassa' e 3, the form referredls that illustrated in Fig. 3, inwhic the valve 7 is swiveled to the end of the'stem 8 in such a way thatthe valve will not partake of the rotation of the valve stem, but willhave only a longitudinal or rectilinearmovement imparted thereto whenthe stem is screwed up or down. While this form'of valve is preferred,it is not to be understood that the invention is limited to thisparticular form, since any suitable valve may be employed for thispurpose.

What is claimed is: 1. A valve mechanism for controlling the charging ofa fluid under pressure into and discharging the same from a reservoir,said mechanism consistin of a valve-casing hav-' mg a single port foroth charging the fluid form may I may be readily charged into large orling said "charging passage, a restricted. discharge passa e between thesaid-reservoir and port, an a valvecontrollin'gsai'djidischargep'assagep 2. A valve mechanism charging of afluid under discharging. the same from a reservoir, said mechanismconsisting of a valve-casinghaving a single pert for and-discharging itfrom the reservoir, a large charging passage lea; saidreservoir, means.0 osing 's'aidfpassage intermediate its ends, and dischargingmeanspermitting a restricted-flow of gas -from'the and discharging it fromthe reservoir, with'a h'ee-chargmgpassage leading from said :port intothe reservoir, a valve controlpzpntrolliii g the pressure into and 0thcharging fluid into v reservoir to said port, whereby -the. coni pressedor liquefied gas may be readily charged into the reservoir and maybedischarged therefrom at a reduced pressure;

3. A valve mechanism for contrblling the charging of a fluid'underpressure into and discharging the same from a reservoir, said mechanismconsisting of' a valve-casing having a single port for both chargingfluid into and discharging-it from the reservoir, a large chargingpassage leading from said port to said reservoir, means closing saidpassage intermediate its ends, a by-passaround said valve, Y flow of gasthrough said by-pass, whereby the compressed or liquefied gas may bereadily charged into the reservoir and may be discharged therefrom at areduced pressure.

4. A valve mechanism for controlling the charging of a fluidunderpressure into and discharging the same from .a'reservoir, 'said mechamsmconsisting of a valve casing havmg a port opemng mto the reservoir andanwith two Cpassages of different capacity be tween sai ports, and meansflow' of fluid through-said passages, whereby fluid in liquid or highlycompressed gaseous be readily charged into the reservoir, an may bedischarged therefrom at a reduced pressure.- I

5. A valve mechanism for controlling the charging ofa fluid underpressure into and discharging the same from a reservoir, said mechanismconsisting of a valve casing havmg a other with two passages ofdiflerent capacity be tween said ports, means controlling'the flow offluid through saidpassages, wherebyfluid in liquid or highly compressedand may be discharged therefrom at a reduced pressure, and apressure-relief device communicating with said exteriorport. 6. A valvemechanism for controlling the charging of a fluid under pressure intoand discharging the same from a; reservoir,said

other port opening exterior to the reservoir,

controlling the, v

port opening into the'reservoiif and anport opening exterior to thereservoir,

gaseous form; the reservoir,

I tween said ports, means controlling the flow erases 8 mechanismconsisting ofe valve easing hevdueed pressure, and a ressure-indicetingde- 10 ing a port opening into the reservoir and anvice communicatingwith said exterior port. other port opening exterior to the reservoir,In testimony whereof I have signed this with two passages of differentcapacity bespecification 1n the presence of two subscribing witnesses.of fluid through said passages, whereby fluid GABRIEL A. BOBRICK.

in liquid or highly compressed gaseous. form l Witnesses;

may be readily charged into the reservoir, S. T. CAMERON, and maybedischarged therefrom at a re- W. :KERKAM.

